This lecture is for an Applied Kinesiology class - it is an overview of the different types of strength training and how they initiate specific changes in the body. This portion reviews muscle motor units and how motor units work to create muscle contractions.

A motor unit is like a spark plug (which creates the spark that ignites gas in the engine to create power) - it sends the signal to the muscle fibers to contract. Strength training helps to engage more muscle more units

If you’re looking to understand more about how fitness affects your body, you’ve come to the right place.

To learn more follow @petemccall_fitness on Instagram

visit https://www.petemccallfitness.com

listen to the All About Fitness podcast (wherever you find podcasts) hear the episode with Bret Contreras (the Glute Guy) here: https://podcasts.apple.com/us/podcast/all-about-fitness/id1115101341?i=1000452453228

Or pick up a copy of Smarter Workouts - the Science of Exercise Made Simple - my book that can teach you how to create your own workouts.

https://us.humankinetics.com/products/smarter-workouts